/**
 * This array is used to remember mark status of rows in browse mode
 */
var marked_row = new Array;


/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   integer  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true
	}

function validateSearch()
{
	with(document.search)
	{
		if(keywords.value==""){
		alert("Please enter the keywords!");
		keywords.focus();
		return false;
		}
	}
	return true;
}

function validateCV()
{
	with(document.submitCV)
	{
		if(email.value == "" )
		{
			alert("Please enter your email address!");
			email.focus();
			return false;
		}
		if(!echeck(email.value))
		{
			email.focus();
			return false;
		}
		if(attachment.value==""){
		alert("Please specify the file to upload!");
		attachment.focus();
		return false;
		}
	}
	return true;
}

function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0)
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
            // Garvin: deactivated onclick marking of the checkbox because it's also executed
            // when an action (like edit/delete) on a single item is performed. Then the checkbox
            // would get deactived, even though we need it activated. Maybe there is a way
            // to detect if the row was clicked, and not an item therein...
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = false;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function

function validate(obj)
{
	if(obj.email1.value == "" )
	{
		alert("Please enter your email address!");
		obj.email1.focus();
		return false;
	}
	if(!echeck(obj.email1.value))
	{
		obj.email1.focus();
		return false;
	}

return true;
}

function validateArrInfo(obj)
{
	if(obj.vessel_name.value == "" )
	{
		alert("Please enter the vessel name!");
		obj.vessel_name.focus();
		return false;
	}

return true;
}

function validateFeedback(obj)
{
	if(obj.email.value == "" )
	{
		alert("Please enter the email address!");
		obj.email.focus();
		return false;
	}
	if(!echeck(obj.email.value))
	{
		obj.email.focus();
		return false;
	}

return true;
}

function validateDeptInfo(obj)
{
	if(obj.berth_no.value == "" )
	{
		alert("Please enter the berth no.!");
		obj.berth_no.focus();
		return false;
	}
	if(obj.vessel_name.value == "" )
	{
		alert("Please enter the vessel name!");
		obj.vessel_name.focus();
		return false;
	}

return true;
}

function validateNewsletter(obj)
{
	if(obj.all.checked == false)
	{
		if(obj.customers.checked == false)
		{
			if(obj.business_partner.checked == false)
			{
				alert("Please select the group!");
				return false;
			}
		}	
	}
	if(obj.subject.value == "" )
	{
		alert("Please enter the subject!");
		return false;
	}

return true;
}

function validateUpload(obj)
{
	if(obj.file.value == "" )
	{
		alert("Please specify the file to upload!");
		return false;
	}

return true;
}

function validateNews(obj)
{
	if(obj.date_created.value == "" )
	{
		alert("Please select the date!");
		return false;
	}
	if(obj.title.value == "" )
	{
		alert("Please enter the title!");
		obj.title.focus();
		return false;
	}

return true;
}

function validateMainLink(obj)
{
	if(obj.linkName.value == "" )
	{
		alert("Please enter the link name!");
		obj.linkName.focus();
		return false;
	}
	if(obj.title.value == "" )
	{
		alert("Please enter the title!");
		obj.title.focus();
		return false;
	}

return true;
}

function validateSubLink(obj)
{
	if(obj.title.value == "" )
	{
		alert("Please enter the link title!");
		obj.title.focus();
		return false;
	}

return true;
}

function validatePwd(obj)
{
	if(obj.old_password.value == "" )
	{
		alert("Please enter the old password!");
		obj.old_password.focus();
		return false;
	}
	if(obj.new_password.value == "" )
	{
		alert("Please enter the new password!");
		obj.new_password.focus();
		return false;
	}
	if(obj.retype_password.value == "" )
	{
		alert("Please enter the confirm password!");
		obj.retype_password.focus();
		return false;
	}
	if(obj.retype_password.value != obj.new_password.value )
	{
		alert("Wrong confirm password!");
		obj.retype_password.value = "";
		obj.retype_password.focus();
		return false;
	}

//document.frm.submit();
return true;
}

function validateUser(obj)
{
	if(obj.username.value == "" )
	{
		alert("Please enter the username!");
		obj.username.focus();
		return false;
	}

return true;
}

function popup(url,width,height,left,top,name){
		var props = "toolbar=no,location=no,status=no,scrollbars=yes,resizable=no,titlebar=no,menubar=no,left="+left+",top="+top+",width="+width+",height="+height;
		w = window.open(url, name, props);
		if (w) {
		w.focus();
		}
}


function ValidateAlphaNumeric(myfield,e)
{
    var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if ((keycode==32) || ((keycode>43) && (keycode<58) ) || ((keycode>=64) && (keycode<=90) )  || (keycode==8) || ((keycode>=97) && (keycode<=122) )) { return true; }
	else return false;
}


function ValidateNumeric(myfield,e)
{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if ((keycode==32) || ((keycode>43) && (keycode<58) )  || (keycode==8)) { return true; }
	else return false;
}

function ValidateFullNumeric(myfield,e)
{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if (((keycode>46) && (keycode<58) )  || (keycode==8)) { return true; }
	else return false;
}

function ValidateAlpha(myfield,e)
{
    var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if ((keycode==32) || ((keycode>43) && (keycode<48)) || ((keycode>=65) && (keycode<=90) )  || (keycode==8) || ((keycode>=97) && (keycode<=122) )) { return true; }
	else return false;
}

/*Function below is for category jump menu*/
function changePage(id){
	location.href="innerpage.php?id="+id;
}